Condensed Consolidated Statements of Cash Flows (USD $)	3 Months Ended
	Jun. 28, 2013	Jun. 29, 2012
Cash flows from operating activities:
Net loss	$ (925,000)	$ (993,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	222,000	200,000
Amortization of intangible assets	250,000	292,000
Amortization of debt discount	47,000
Stock based compensation expense	29,000	29,000
Change in fair value of warrant liability	196,000	(17,000)
Non cash foreign currency translation loss	32,000
Changes in operating assets and liabilities:
Accounts receivable - net		196,000
Inventories	(450,000)	267,000
Prepaid expenses and other assets	48,000	(71,000)
Accounts payable and accrued expenses	88,000	39,000
Net cash used in operating activities	(463,000)	(58,000)
Cash flows from investing activities:
Capital expenditures	(31,000)	(95,000)
Patent expenditures	(64,000)	(10,000)
Net cash used in investing activities	(95,000)	(105,000)
Cash flows from financing activities:
Proceeds from borrowings on bank line of credit	922,000	800,000
Payments on bank line of credit		(500,000)
Payments on bank term loan	(84,000)	(84,000)
Payments on MEDC/MSF term loans	(136,000)	(130,000)
Payments on PFG term loan	(178,000)
Net cash provided by financing activities	524,000	86,000
Effect of exchange rate changes on cash and cash equivalents	(4,000)
Net decrease in cash and cash equivalents	(38,000)	(77,000)
Cash and cash equivalents at beginning of period	619,000	3,249,000
Cash and cash equivalents at end of period	581,000	3,172,000
Supplemental disclosure of cash flow information:
Cash paid for interest	$ 92,000	$ 31,000